var express = require('express');
var router = express.Router();
const { 
  getList,
  getDetail,
  newBlog,
  updateBlog,
  delBlog
} = require('../controller/blog')
const { SuccessModel, ErrorModel } = require('../model/resModel')
const loginCheck = require('../middleware/loginCheck')

router.get('/list', (req, res, next) => {
  let author = req.query.author || ''
  const keyword = req.query.keyword || ''
  if(req.query.isadmin) {
    // 管理员界面
    if(req.session.username==null) {
      res.json(new ErrorModel('未登录'))
      return
    }
    author = req.session.username
  }
  const result = getList(author, keyword)
    return result.then(listData => {
      res.json(new SuccessModel(listData))
    })
});

router.get('/detail', function(req, res, next) {
  const result = getDetail(req.query.id)
  return result.then(data => {
    res.json(new SuccessModel(data))
  })
});

router.post('/new', loginCheck, (req, res, next) => {
  req.body.author = req.session.username
  const result = newBlog(req.body)
  return result.then(data => {
    res.json(new SuccessModel(data))
  })
})

router.post('/update', loginCheck, (req,res,next)=>{
  const result = updateBlog(req.query.id, req.body)
  return result.then(val => {
    if(val) {
      res.json(new SuccessModel('更新成功'))
    } else {
      res.json(new ErrorModel('更新失败'))
    }
  })
})

router.post('/del', loginCheck, (req, res, next)=>{
  const author = req.session.author
  const result = delBlog(req.query.id, author)
  return result.then(val => {
    if(val) {
      res.json(new SuccessModel('删除成功'))
    } else {
      res.json(new ErrorModel('删除失败'))
    }
  })
})

module.exports = router;
